Christian Henry
Senior Linux Systems Engineer (DevOps / SRE focus)
Senior Linux Systems Engineer with 20+ years of experience managing mission-critical production environments. Expert in infrastructure automation and business continuity, with a deep focus on improving system reliability and operational efficiency. Currently leveraging extensive experience in Linux systems architecture to implement modern DevOps practices, including automated deployments and scalable cloud-ready infrastructure.
Professional Experience
Lead BizOps Engineer
Ethoca / MastercardMar 2022 – Apr 2026
- Architected and executed a major version migration for Zabbix and PostgreSQL, optimizing Zabbix functionality and supportability.
- Boosted system processing power and high availability by transitioning some legacy local-hosted components to a distributed Azure-based architecture.
- Optimized global incident responsiveness by automating multi-regional on-call scheduling, ensuring 24/7 coverage across disparate time zones while reducing team burnout.
- Cultivated technical self-sufficiency by mentoring team members on Ethoca’s overall infrastructure stack, including Kafka message queuing, Nomad/Consul orchestration, and Zabbix monitoring. This initiative reduced dependency on senior oversight by equipping the team with proactive troubleshooting skills and architectural knowledge.
Senior ProdOps Engineer
EthocaFeb 2017 – Mar 2022
- Rearchitected Zabbix monitoring for Staging and Production to enhance system observability and resilience; optimized alert fidelity by reducing false positives and implementing telemetry for previously unmonitored critical components.
- Executed zero-downtime deployments for customer-facing environments, ensuring seamless updates and continuous service availability.
- Accelerated vulnerability remediation lifecycles, deploying critical security patches to production environments with zero service interruption.
- Optimized incident response workflows as a primary on-call engineer, consistently maintaining high system availability and reducing MTTR through rapid root-cause analysis and remediation.
System Administrator (Contract)
Great-West LifeAug 2016 – Jan 2017
- Designed and deployed Microsoft Azure environments featuring VPNs, load balancers, and Red Hat Linux VMs.
- Automated Azure Linux deployments using Ansible playbooks and JSON templates, significantly reducing project timelines and client costs.
- Established security policies and disaster recovery strategies for AWS and Azure cloud environments.